Radio speed key



INVENTOR J. R. PINELLI 2,325,631

RADIO sPEEnexEY Filed may 27, 1942 into the interior of the-baseV I. `Conductorf 378.

splitsinto two branches,one branch 31 being coni nected 't9 pkst 28 and tlie'other @ranch 35j being cenneeted'to st 3 n ductorv directly to' ,Li member Thus when key lever 5 is moved to the rlllosition` Y shown in ilull lines in Fig. 2, contacts 26 and 2'!V` are intermittently engaged as previously 'deg" scribed anda path for currentjilovv is estelle-A4 lishedupon engagement between contactsZG and 21 through conductors 38V and'f39g 'Ip'athmay ,Q be traced from conductor 3S throughmemper Q 2, pivot 3, fork E3 of key lever 5,1pivotl pin'; vif-- (path may loe Operation l 'f-felflovs; Y Y v .Y t order to sendy ont one 'or more fdotsfr the 'onerater will efsolid arrov'fi'V "Thisgmovement will et'tl'e Vnivo-ted part "E l "of the'vi-hrator lefotl'edpelrt i-|`fand in doing so 'produces an l il vibration ofxconsiderableamplitude in fmembe'ili j Order! te' out.

n ion to' efreCt by Grier-f the @verweht Q'f of nafieifieagforv governmental on or therefor; Y

afke'y lever, pivotzmeans' engaging a medialpo'rtien of said kes/"lever for ymounting said'key 'lever on said base plate for horizontal swinging movenientja vibrator lever pivotally monted on =t1esaicl`keylei/errer horizontal-movement by a Q :vertiallydisposed-floating pin'jo'int common' to v l v both levers, said pin joint being dispesedat one 'Y I L nd'o'saidliey lever, and apairfofl adjustable jstopfs, Said sto-ps' being disposed on'opposte sides ofthe saifpin jointandeonthe sameside ofthe said? Lbr'ato'r lever', whereby one "e0-acts with said eeof @mirrored Sweeter es voire-1 @genion ef me .kevin/er 5 @met (its o.

isereyv @6" andflisi A egi'the ebmgafslidde'ln pivotal movement nis Y me fact mit @Heh/tierna or memberri- 1SV Y K Stop nber El' serves to limit pivotalmovement of @fired lllefeitriilay be malm- Plaie/ment .0f any rveries g'notv Ifnlly described my'invention, what A.ting inst'tmexitlof the auto-'i 2,325,631fy v n N thereby impartv a iiexing couple to` the said vbratorlever and the'other limits the resulting 1?- uIr e dwe@'-b.,1am1ritSnr"iflrbrlmlrnt a SUD- 5 port, a hand operatedfasli'and"dot lever, pivot means engaging a medial portion of said one end'rof said liand operated lever to an intergmeiiallegprtionv-of said vibratory lever, dot

neside of said Ysecond pivot. means,y and a pair f ofi's'top Jmearis, the first of said stop means being `side of said d riate t-hefends there() aviprator leverg'seeond L' n a c ec ng id key leveiftor said the or side ,of said- See- `Aajout s id' vilrator lever kon L @r11 ver 12in-f @nemen with, said third Re. atmet-.1ere said -sh come:

Seele tranletineginetrument Compris/ing .f v le Q ;retprot means Carried il@A said; @fit1-which ene-age .Said key lever 'Y intermediate the ends thereof, afvilerator lever, veQLCQLLdnimh ectiin'ssaidkev lever to seigribrater l. er inte. medieteth 'ends thereof, ardor .t eensfcarrefibyesaid vibrator Y beingadmiten to. .abut saidm'braterilever mme .ether Side Qsad Secend rivet means asv said key onjsaid-f-first pivot-means to a whereby -Qsaid ,vibrator lever :will be caused to@ tpm on" said second .pivot means? Y hand operated lever. for mounting the same onV f said'support for horizontalswinging movement, a I Y 4 tory liever, second pivot means connecting n Contact ,means carried by'said vibratory lever on.

Y fldaptedto'abutsaidrvibratoryrlever onthe other o mehrewrdftyrsedisup gesaid key lever interina. p

tor lever vvilll n A. lnrn on and abut s d second [en o @rate serveer A tliefslide ltlo'erevof arrv- Y ab? ,bella dim es ifor biasing* q llgeyfl er isvturnedltoa of Ysaid,,sew-1mi pivot means; 'a s,tl1e first Lof, saidV stop means one direction andabut the second oifsaid stop( c n means toj intermittentlyloperate said dot con` tact means, and resilient means disposed on each C side of isaid second pivot meansjeach of` said re- `silient means beingV arranged to exert the restoring force'therein againstlsaid vibrator leverin g opposite directions to cause said vibrator'lever` gto turn onsaid secondpivot meansin,theother.,V fdirection.` y l e 6, A cede transmitting instrument comprising` a support,-a key levengrst `pivot means .carried j by said support and whicnengage said key lever intermediate; Itheends thereof,` a `vibrator 'lei/er,`

saidlever comprising a rigidlsupport portion and r l -a` vibratory portion, second pivot meanisconneet` ing said keylever to the rigidl portion of said" Yvibrator lever, fdot" contactimeansA and a. weight mein-ber` carried by the vibratory portion of said vibratorleveronone side of said second pivot Y Qmeanaanda pairvoi` stopmeans, the first of saidvibrator lever Vthereby ,initiating vibration ofthe latter togintermittentlybperate said` fdot contact means, a thirdstop member carried by, said 3 key lever and adapted `to abut said vibrator` lever Y t onithe side thereof carryingsaid-weight `meinber, and means vfor biasing said vibrator lever' into vabutment with `said third stop member as.V said t keylever is turned `to a dashijpositionto operate i i said dash contact means. t.

` 9. The combination in claim swhereinthe por; j l Y t l tion ofsaid vibrator-lever carrying said -do`t." i

Y contactmeans andgsaid weight member isoper- Y stop'means being adapted to abut the rigid por- I,

tion of said vibratorvleverV-on the other Side of able between said 10.V A code transmittinginstrument comprising y i la support, 1a key lever including'a fingerpie'ce,"` v t t `a bifurcated portion and "dash" coritact"rne'ans,` rst pivot means` carriedby said support and 1; i which engage saidkey lever intermediate ythe, ends thereof, avibrator'leve'r Aincluding :a rigid porf said second pivotmeans as said key lever is turned Awhereby said `vibrator lever willvbe causedfto-turn Y on said second pivot-means to` bring-ti1e`` Lrigid y portion thereof into abutment with ,saidseoond stop means and effect vibration ofthe vibratoryi `portion thereofl to produce an intermittent oper]- ation of saidfdot? contact means; t Y i 7. A` codeV transmitting instrument comprising` `tion-anda vibratoryportion, secondpivot'means connecting `thebifurcat'ed portionfof Asaid-key` leverito therigidportion vof said vibratorlever, I l1:dotr3contact means and a weight member care y ried by the vibratory portionof said vibrator 1ef ver onfon'e side ofsaidsecond pivot means for` i operation the bifurcated` portion of said a support, `a-key`lever including dash contact ,v imeans, rst pivot means carried bysaidjsupport and which engage saidkey lever intermediatethet ends thereof,la 'vibrator' lever, saidllever com- `prising alrigid portion and a vibratoryportion,V i second `pivotlmeans` connecting` said keylever to` the rigid portion of said vibrator lever;` f dotf contact means and a weightjmember Vearried by the vibratory portion of said` vibrator leveren one4 iside of said second `piv'otmeans, means for adkey lever, means fory adjustinglthe position off` t `said weight member along the axis'of said ,vibratory portion, a iirst stop member adapted to abut L the rigid.- portion `of said vibratorlever on the totherrside'of `said secondpivot'mea'ns as saidlr'ey lever is turned "on said first pivotmeans to a v "dot position whereby said vibratorlever will be causedtc turn on s aidsecond pivot means a i second stopfmemberY adapted to abut andfstop justing the positionof saidweig'ht member along l,

y `the axis of `said vibratoryportiomstopl means v adapted toabut the rigid portion of said vibrator 1 lever, on i each Vside Voi said second pvot, means whereby as `said key lever is turned on said `iirst i pivotmeans to a1dot position 'said vibrator le 'i ver willabut one of said stop means and be caused l Vto turnionsaid second pivotmeans andthen abut the other of js'aidxstopmeans` tothus-,initiate vi` i vbration `of `the `vibratoryl portion thereof to pro- @duce an intermittent operation vof` said ,dot v contact means, a stop membercarriedby said l i key lever, and `means forv biasing saidrvib'ratory portion into abutment with said stopmember as said key leveris turned on said first pivot means lto a dash position to. operate said ,dasiRcon-V t tactmeans. 'y t V 8. A3code transmitting instrument comprising l r 'a support, a Vkey `lever, said lever including a: iinger .piece`, a bifurcated 'portion and dash contact means, first pivot means carried bysaicl,`

support` and which engage said key leverintermediate the `ends thereof, avibrator lever, second t pivotmeans carried by said Abifurcat'ed portion and which engage vsaid vibratorlever intermedif' ate the ends `thereofztc'ypeiinitlpivotalmovement of vsaid ,vibratorleven ,dot` 'contact .means .and a,l 1

`weightfme'mber carriedby said,vibrator lever onv one side offsaid secondfpivot meansgmeans ionv adjusting said weight memberaxially'otsaidvi-4 "C bratorlever, a `first stop member adapted to abutgY saidmvibratorlever. Y 15T the turningv movement ofV said vibrator lever `thereby initiating Vvibration of the vibratorypor-` '1 tion thereof to'iproduce `an'intermittent operation `oi?` said dotfcontact,i'rieans,*aV third stopmem-f i v .Y y g c ber carried by said key leverfan'd vadaptedtofabut Y the vibratory portionof said vibratorlever', and` .A

means Vforv biasing said Avibratory "portion Yinto abutment .with said thirdlstopmember as" said key lever is tumed'on said rstpivot means to a. dash` position tooperate said dash contact '-71 means.

11. n code transmitting mstr'ument of me ,v automaticdottypecomprising, ahorizontalbase l plate, anoperating `key lever pivoted thereon for,

horizontal motion, a vibrator lever having a hori n zontal bore thereinand 1pivoted to said key lever s, forfhorizontalinotion withfand` relative to said,V key lever by a horizontally movable iioating hinge Q joint, apost mountedy on the saidbaSejpIate, a" )set screvvV having a head Vportion `of a vrdiameter greaterthan that of the bore in `thevibrator lever anda. shankiportion of a diameter less than that ofthebore, said screwbeing inserted through said` l boreand `being screwed into f said pos t,"a coiled 1 `,compression springldisposed upon Vsaid setscrew e and located between the saidfpost and the-said` 1 vibrator lever 'for biasing said lvibrator lever into engagement `withthehead `of the said'set screw l `whereby onY operation of the said key lever the said setscrew head acts "as an adjustable ful- VV3crumhand coacts with'the said floatingV hinge Ajointto impart a pivotal `movement of'said vij 4brat/or lever, and a `second post mounted on the said base plate and having `an adjustable set screw therein for arresting pivotal movement 01E` ond `pivot means second stop 1member adapted t 1;` Y to abut and stop theturning movement fof ,saidl Y bifurcated portionofsaidkeyd j Y 

